diff --git a/layout/base/public/MANIFEST b/layout/base/public/MANIFEST
index c481e86f33bb..4c0d82ed5d97 100644
--- a/layout/base/public/MANIFEST
+++ b/layout/base/public/MANIFEST
@@ -2,7 +2,6 @@
 # This is a list of local files which get copied to the mozilla:dist:layout directory
 #
 nslayout.h
-nsDocumentImpl.h 
 nsHTMLReflowState.h
 nsIAutoCopy.h
 nsICaret.h